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Class Information
Number: 423/138
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Iron group metal (fe, co, or ni)
Description: Processes wherein the compound comprises one of the three metals in Period 4, Group VIII of the periodic system, i.e., iron, cobalt or nickel, commonly known as the iron group metals; see Glossary.

Sub-classes under this class:

Class Number Class Name Patents
423/151 Converting metal to magnetic form 39
423/153 Desulfurizing 31
423/140 Forming insoluble substance in liquid 363
423/139 Ion exchanging or liquid-liquid extracting 446
423/150.1 Leaching, washing, or dissolving 220
423/148 Utilizing fluidized bed 57
423/149 Volatizing iron, nickel, or cobalt 60

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8628740 Processing method for recovering iron oxide and hydrochloric acid Jan. 14, 2014
8580213 Method for recovering nickel from sulfuric acid aqueous solution Nov. 12, 2013
8545736 Method for preparing metal phosphide nanocrystal from phosphite compound and method for passivating nanocrystal core with the same Oct. 1, 2013
8545794 Powder Ni.sub.aM.sub.bO.sub.x(OH).sub..gamma.compounds, processes for making the same, and uses thereof in batteries Oct. 1, 2013
8540951 Process for extracting metals from aluminoferrous titanoferrous ores and residues Sep. 24, 2013
8524396 Method of manufacturing active material, active material, electrode using the same, and lithium-ion secondary battery equipped therewith Sep. 3, 2013
8470272 Magnesium recycling and sulphur recovery in leaching of lateritic nickel ores Jun. 25, 2013
8470271 Process for chlorinating resources containing recoverable metals Jun. 25, 2013
8465723 Arsenic-containing solid and method for producing it Jun. 18, 2013
8440152 Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues May. 14, 2013
8425865 Method of synthesizing pyrite nanocrystals Apr. 23, 2013
8415000 Patterned inorganic layers, radiation based patterning compositions and corresponding methods Apr. 9, 2013
8409342 Magnetic pigments and process of enhancing magnetic properties Apr. 2, 2013
8382991 Method of sorbing discolored organic compounds from water Feb. 26, 2013
8383070 Method for recovering rhenium and other metals from rhenium-bearing materials Feb. 26, 2013
8362869 Stable thermistor based on a composition comprising rare earth metal Jan. 29, 2013
8293419 Method for preparing hydrogen absorbing electrode and nickel metal-hydride battery Oct. 23, 2012
8282857 Modification of copper/iron selectivity in copper solvent extraction systems Oct. 9, 2012
8268267 Process for the extraction of specific transition metals Sep. 18, 2012
8241790 Positive electrode active material and non-aqueous electrolyte secondary battery containing the same Aug. 14, 2012
8236185 Methods for using sulfidized red mud Aug. 7, 2012
8178477 Proppants with carbide and/or nitride phases May. 15, 2012
8173086 Process of recovery of base metals from oxide ores May. 8, 2012
8147783 Nickel hydroxide powder and method for producing same Apr. 3, 2012
8147782 Producing nickel hydroxide suitable for pelletization with iron-containing ore and for stainless steel manufacture Apr. 3, 2012
8137654 Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same Mar. 20, 2012
8119090 Nickel-carbonitride spheres and method of making the same Feb. 21, 2012
8038766 Direct reduction process using a single fluidised bed Oct. 18, 2011
8012437 Process for separating iron from other metals in iron containing feed stocks Sep. 6, 2011
7998367 Metal-carbon nanotube composites for enhanced thermal conductivity for demanding or critical applications Aug. 16, 2011
7985398 Preparation of iron or iron oxide nanoparticles Jul. 26, 2011
7959812 Multi-column sequenced separation process for separating an ionic metal derivative Jun. 14, 2011
7955412 Method for producing agglomerated material Jun. 7, 2011
7935322 Solvent extraction process for separating cobalt and/or nickel from impurities in leach solutions May. 3, 2011
7854909 Method and device for treating a fine-particled feedstock especially containing metal Dec. 21, 2010
7819939 Synthesis of nickel nanopowders Oct. 26, 2010
7767189 Methods for preparation from carbonate precursors the compounds of lithium transition metals oxide Aug. 3, 2010
7758669 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material Jul. 20, 2010
7740814 Composite materials and method of its manufacture Jun. 22, 2010
7713662 Lithium-manganese-based composite oxide containing titanium and nickel May. 11, 2010
7695698 Method of producing iron-arsenic compound excellent in crystallinity Apr. 13, 2010
7651674 Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor Jan. 26, 2010
7622190 Composition comprising lithium compound and mixed metal hydroxides and their preparation and use Nov. 24, 2009
7604784 Process for the extraction of specific transition metals with gaseous HCL Oct. 20, 2009
7601314 Reductive ammoniacal leaching of nickel and cobalt bearing materials Oct. 13, 2009
7597873 Process and apparatus for the recovery of metal oxide particles Oct. 6, 2009
7585474 Ternary oxide nanostructures and methods of making same Sep. 8, 2009
7585810 Method for partial oxidation of hydrocarbons, catalyst member therefor and method of manufacture Sep. 8, 2009
7575629 Pollutant emission control sorbents and methods of manufacture Aug. 18, 2009
7575831 Co-precipitation method for the preparation of Li.sub.1+xNi.sub.1-yCo.sub.yO.sub.2-based cathode materials Aug. 18, 2009

1 2 3 4 5

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